Wilo Stratos Notice De Montage Et De Mise En Service page 31

Unit type
Heating systems
Heating-/ventilation- and
air conditioning systems
Circulation systems for
drinking water
Heating systems
Installation and operating instructions Wilo-Stratos
System conditions
1. Two-pipe systems
• Pump installed in the supply pipe.
• Flow temperature controlled by
atmospheric conditions.
With increasing flow temperature the
flow rate will be increased.
2. Single-pipe systems
• Pump installed in the return pipe.
• Constant flow temperature.
With increased return temperature
the flow rate will be lowered.
3. Primary circuits with condensing
boiler
• Pump installed in the return pipe.
With increased return temperature
the flow rate will be lowered.
1. Constant flow rate
1. All systems
• Pump installed in the supply pipe.
• Flow temperature will be lowered in
light loads periods (e.g. night).
• Pump runs 24h without external
control.
English
Recommended
control system
Δp-T
Regulator
mode
Night setback
mode
"Autopilot"
31